whacko

absurd asinine bonkers cracked crackers daffy demented deranged dopey flaky foolish fried giddy half-baked idiotic in the ozone inane insane lunatic mad mental nuts nutty off the wall out of one's gourd ridiculous screwy silly simple touched unbalanced unhinged unsound wacky witless

brainy bright intelligent smart understanding

deranged hysterical mad maniacal manic psychotic unhinged

bananas bemused crackbrained daft delirious distracted distraught flipped-out foolish frenzied fruity idiotic in the ozone lunatic maniac non compos mentis nutty as a fruitcake out of one's gourd out of one's tree psycho psychopathic unbalanced unglued unsound

OK balanced calm sane

rational reasonable sensible

crazed demented distracted irrational maniacal unbalanced unhinged

ape baked cracked disarranged disconcerted disordered displaced flipped fried maddened nuts perplexed unscrewed unsettled unzipped

bananas berserk delirious dotty flipped-out frantic frenzied loco lunatic mad maniac unglued unsound

balanced rational reasonable sane sensible sound stable

OK calm

crazed cuckoo maniacal

absurd bananas irrational maniac stupid zany

baked balmy bonkers cracked daft demented deranged dippy flaky flipped-out foolish freaked-out fried half-baked idiotic insane kooky loco nonsensical nutty preposterous psyched-out screwy unsound

logical rational reasonable sensible

sane